A mesa is an isolated, flat-topped elevation, ridge or hill, which is bounded from all sides by steep escarpments and stands distinctly above a surrounding plain. Mesas characteristically consist of flat-lying soft sedimentary rocks capped by a more resistant layer or layers of harder rock, e.g. shales overlain by sandstones. The resistant layer acts as a caprock that forms the flat summit of a mesa. The caprock can consist of either sedimentary rocks such as sandstone and limestone; dissected lava flows; or a deeply eroded duricrust. Unlike plateau, whose usage does not imply horizontal layers of bedrock, e.g. Tibetan Plateau, the term mesa applies exclusively to the landforms built of flat-lying strata. Instead, flat-topped plateaus are specifically known as tablelands.
Leibo County, which belongs to Liangshan Yi Autonomous Prefecture of Sichuan Province, is located in the southwest edge of Sichuan Province, the eastern part of Liangshan Yi Autonomous Prefecture, the north bank of the lower reaches of Jinsha River, facing Yongshan County of Yunnan Province across the river in the southeast, adjacent to Yibin and Leshan in the north, Meigu County in the west, and Zhaojue County and Jinyang County in the southwest, with a total area of 2838 square kilometers. There are many kinds of tourism resources in Leibo County, including provincial scenic spots, provincial geoparks and Mahu, the third largest mountain and deep water lake in China in the east, the Jinsha River Grand Canyon in the south, and 270000 mu of prairie and "Dream Valley" in the west. In the north, giant pandas live in the Mamize provincial nature reserve and primeval forest at the southernmost tip of the world. Humanistic tourism resources include Yi culture, folk song culture and Menghuo culture of the three Kingdoms. In 2017, the resident population of Leibo County was 24.